Dilution device able to adjust ratio and dilution method
A dilution device and ratio technology, which is applied in the adjustable ratio dilution device and dilution field, can solve the problems of long time, low utilization rate and high cost, and achieve the effect of accurate dilution ratio, simple structure and low cost
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[0030] Example 1
[0031] Such as figure 1 As shown, an adjustable-ratio dilution device includes: sampling pump 1, upper liquid level detector 2, liquid storage ring 3, lower liquid level detector 4, two-position three-way mixing valve 5, two-position three-way interception Valve 6, quantitative tube 7, two-position three-way sampling valve 8, short-liquid detector A9, short-liquid detector B10, reagent to be diluted 11, distilled water 12, waste liquid tank 13, mixing vessel 14, controller 15. Among them, the normally open channel and the normally closed channel of the two-position three-way sampling valve 8 are respectively connected with the reagents to be diluted 11 and the distilled water 12 pipelines, and the lack of liquid detector A9 and the lack of liquid detector B10 are installed on the connecting pipelines, and the two-position three-way The common channel of the sampling valve 8 is connected to the normally open channel of the two-position three-way interception val...
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[0043] Example 2
[0044] Such as figure 2 As shown, on the basis of embodiment 1, the quantitative tube 7 is removed and replaced with a combination connection of two two-position three-way valves, of which the two two-position three-way valves are connected by a long normally open pipe and connected by a short normally closed pipe , The two common ports are respectively connected to the connection port of the quantitative tube 7. When the dilution process is unchanged, switching the normally open and normally closed channels of the two two-position three-way valves can easily achieve two dilution ratios. By analogy, it can be extended to a variety of dilution ratios, which is especially suitable for occasions that require automatic range switching.
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